Home / 6,979.36-9,630.16-4,459.53

Finding the Fourth Proportional to 6,979.36, 9,630.16 and 4,459.53

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Solution

The fourth proportional to 6,979.36, 9,630.16 and 4,459.53 is: 6,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.36 : 9,630.16 = 4,459.53 : x
  2. Step 2: Convert to fraction form
    6,979.36/9,630.16 = 4,459.53/x
  3. Step 3: Cross multiply
    6,979.36x = 9,630.16 × 4,459.53
  4. Step 4: Simplify right side
    6,979.36x = 42,945,987.42
  5. Step 5: Solve for x
    x = 42,945,987.42/6,979.36
  6. Step 6: Final answer
    x = 6,153.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.